TOP FLASH BOWL CLEANER 1LTR x 12pcs is a strong acid-based toilet bowl descaling and cleaning agent. It refreshes, cleanse and deodorizes all-in-one! The tough scrubbing action helps in an effective and thorough cleaning leaving the surface sparkling clean with no ring around the bowl. Very easy to use, it helps in avoiding leaving behind any sticky residue. https://hygieneforall.com/product/top-flash-bowl-cleaner-1ltr-x-12pcs/